AMD Radeon RX 6600 XT vs AMD Radeon R9 270 1024SP
Comparative analysis of AMD Radeon RX 6600 XT and AMD Radeon R9 270 1024SP videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: PassMark - G3D Mark, PassMark - G2D Mark, Geekbench - OpenCL, CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - Car Chase Offscreen (Frames), GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - Car Chase Offscreen (Fps), GFXBench 4.0 - Manhattan (Fps), GFXBench 4.0 - T-Rex (Fps), 3DMark Fire Strike - Graphics Score.
Differences
Reasons to consider the AMD Radeon RX 6600 XT
- Videocard is newer: launch date 6 year(s) 4 month(s) later
- 2.2x more core clock speed: 1968 MHz vs 900 MHz
- 2.8x more boost clock speed: 2589 MHz vs 925 MHz
- 5598x more texture fill rate: 331.4 GTexel/s vs 59.2 GTexel / s
- 2x more pipelines: 2048 vs 1024
- A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 28 nm
- 4x more maximum memory size: 8 GB vs 2 GB
- Around 17% better performance in Geekbench - OpenCL: 82372 vs 70535
- 2.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Frames): 15486 vs 6316
- 2.5x better performance in GFXBench 4.0 - Car Chase Offscreen (Fps): 15486 vs 6316
| Specifications (specs) | |
| Launch date | 30 Jul 2021 vs 13 March 2015 |
| Core clock speed | 1968 MHz vs 900 MHz |
| Boost clock speed | 2589 MHz vs 925 MHz |
| Texture fill rate | 331.4 GTexel/s vs 59.2 GTexel / s |
| Pipelines | 2048 vs 1024 |
| Manufacturing process technology | 7 nm vs 28 nm |
| Maximum memory size | 8 GB vs 2 GB |
| Benchmarks | |
| Geekbench - OpenCL | 82372 vs 70535 |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 15486 vs 6316 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 15486 vs 6316 |
Reasons to consider the AMD Radeon R9 270 1024SP
- Around 7% lower typical power consumption: 150 Watt vs 160 Watt
- 2.4x more memory clock speed: 4800 MHz vs 2000 MHz (16 Gbps effective)
- 2.3x better performance in GFXBench 4.0 - Manhattan (Frames): 8390 vs 3728
- 8.2x better performance in GFXBench 4.0 - T-Rex (Frames): 27566 vs 3367
- 2.3x better performance in GFXBench 4.0 - Manhattan (Fps): 8390 vs 3728
- 8.2x better performance in GFXBench 4.0 - T-Rex (Fps): 27566 vs 3367
| Specifications (specs) | |
| Thermal Design Power (TDP) | 150 Watt vs 160 Watt |
| Memory clock speed | 4800 MHz vs 2000 MHz (16 Gbps effective) |
| Benchmarks | |
| GFXBench 4.0 - Manhattan (Frames) | 8390 vs 3728 |
| GFXBench 4.0 - T-Rex (Frames) | 27566 vs 3367 |
| GFXBench 4.0 - Manhattan (Fps) | 8390 vs 3728 |
| GFXBench 4.0 - T-Rex (Fps) | 27566 vs 3367 |
Compare benchmarks
GPU 1: AMD Radeon RX 6600 XT
GPU 2: AMD Radeon R9 270 1024SP
| Geekbench - OpenCL |
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| GFXBench 4.0 - Car Chase Offscreen (Frames) |
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| GFXBench 4.0 - Manhattan (Frames) |
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| GFXBench 4.0 - T-Rex (Frames) |
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| GFXBench 4.0 - Car Chase Offscreen (Fps) |
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| GFXBench 4.0 - Manhattan (Fps) |
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| GFXBench 4.0 - T-Rex (Fps) |
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| Name | AMD Radeon RX 6600 XT | AMD Radeon R9 270 1024SP |
|---|---|---|
| PassMark - G3D Mark | 16512 | |
| PassMark - G2D Mark | 913 | |
| Geekbench - OpenCL | 82372 | 70535 |
| CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) | 706.665 | |
| GFXBench 4.0 - Car Chase Offscreen (Frames) | 15486 | 6316 |
| GFXBench 4.0 - Manhattan (Frames) | 3728 | 8390 |
| GFXBench 4.0 - T-Rex (Frames) | 3367 | 27566 |
| GFXBench 4.0 - Car Chase Offscreen (Fps) | 15486 | 6316 |
| GFXBench 4.0 - Manhattan (Fps) | 3728 | 8390 |
| GFXBench 4.0 - T-Rex (Fps) | 3367 | 27566 |
| 3DMark Fire Strike - Graphics Score | 9583 |
Compare specifications (specs)
| AMD Radeon RX 6600 XT | AMD Radeon R9 270 1024SP | |
|---|---|---|
Essentials |
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| Architecture | RDNA 2.0 | GCN 1.0 |
| Code name | Navi 23 XT | Pitcairn |
| Launch date | 30 Jul 2021 | 13 March 2015 |
| Launch price (MSRP) | $379 | |
| Place in performance rating | 174 | 171 |
| Type | Desktop | Desktop |
Technical info |
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| Boost clock speed | 2589 MHz | 925 MHz |
| Compute units | 32 | |
| Core clock speed | 1968 MHz | 900 MHz |
| Manufacturing process technology | 7 nm | 28 nm |
| Peak Double Precision (FP64) Performance | 662.8 GFLOPS (1:16) | |
| Peak Half Precision (FP16) Performance | 21.21 TFLOPS (2:1) | |
| Peak Single Precision (FP32) Performance | 10.60 TFLOPS | |
| Pipelines | 2048 | 1024 |
| Pixel fill rate | 165.7 GPixel/s | |
| Texture fill rate | 331.4 GTexel/s | 59.2 GTexel / s |
| Thermal Design Power (TDP) | 160 Watt | 150 Watt |
| Transistor count | 11060 million | 2,800 million |
| Floating-point performance | 1,894 gflops | |
Video outputs and ports |
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| Display Connectors | 1x HDMI, 2x DisplayPort | 2x DVI, 1x HDMI, 1x DisplayPort |
| DisplayPort count | 3 | |
| DisplayPort support | ||
| HDMI | ||
Compatibility, dimensions and requirements |
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| Form factor | Dual-slot | |
| Height | 40 mm (1.6 inches) | |
| Interface | PCIe 4.0 x8 | PCIe 3.0 x16 |
| Length | 190 mm (7.5 inches) | |
| Recommended system power (PSU) | 450 Watt | |
| Supplementary power connectors | 1x 8-pin | 1x 6-pin |
| Width | 110 mm (4.3 inches) | |
API support |
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| DirectX | 12.2 | 12.0 (11_1) |
| OpenCL | 2.1 | |
| OpenGL | 4.6 | 4.5 |
| Shader Model | 6.5 | |
| Vulkan | ||
Memory |
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| Maximum RAM amount | 8 GB | 2 GB |
| Memory bandwidth | 256 GB/s | 153.6 GB / s |
| Memory bus width | 128 bit | 256 Bit |
| Memory clock speed | 2000 MHz (16 Gbps effective) | 4800 MHz |
| Memory type | GDDR6 | GDDR5 |
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