AMD Radeon RX 6600 XT vs AMD Radeon R9 295X2

Comparative analysis of AMD Radeon RX 6600 XT and AMD Radeon R9 295X2 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory, Technologies. 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 7 year(s) 3 month(s) later
  • 2.5x more boost clock speed: 2589 MHz vs 1018 MHz
  • 152.1x more texture fill rate: 331.4 GTexel/s vs 2x 179.2 GTexel / s billion / sec
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 28 nm
  • 3.1x lower typical power consumption: 160 Watt vs 500 Watt
  • Around 60% higher memory clock speed: 2000 MHz (16 Gbps effective) vs 1250 MHz
  • Around 92% better performance in PassMark - G3D Mark: 16488 vs 8599
  • Around 21% better performance in PassMark - G2D Mark: 911 vs 756
Specifications (specs)
Launch date 30 Jul 2021 vs 29 April 2014
Boost clock speed 2589 MHz vs 1018 MHz
Texture fill rate 331.4 GTexel/s vs 2x 179.2 GTexel / s billion / sec
Manufacturing process technology 7 nm vs 28 nm
Thermal Design Power (TDP) 160 Watt vs 500 Watt
Memory clock speed 2000 MHz (16 Gbps effective) vs 1250 MHz
Benchmarks
PassMark - G3D Mark 16488 vs 8599
PassMark - G2D Mark 911 vs 756

Reasons to consider the AMD Radeon R9 295X2

  • 2.8x more pipelines: 2x 2816 vs 2048
Pipelines 2x 2816 vs 2048

Compare benchmarks

GPU 1: AMD Radeon RX 6600 XT
GPU 2: AMD Radeon R9 295X2

PassMark - G3D Mark
GPU 1
GPU 2
16488
8599
PassMark - G2D Mark
GPU 1
GPU 2
911
756
Name AMD Radeon RX 6600 XT AMD Radeon R9 295X2
PassMark - G3D Mark 16488 8599
PassMark - G2D Mark 911 756
Geekbench - OpenCL 82495
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s) 706.665
GFXBench 4.0 - Car Chase Offscreen (Frames) 15486
GFXBench 4.0 - Manhattan (Frames) 3728
GFXBench 4.0 - T-Rex (Frames) 3367
GFXBench 4.0 - Car Chase Offscreen (Fps) 15486
GFXBench 4.0 - Manhattan (Fps) 3728
GFXBench 4.0 - T-Rex (Fps) 3367
3DMark Fire Strike - Graphics Score 1807 0

Compare specifications (specs)

AMD Radeon RX 6600 XT AMD Radeon R9 295X2

Essentials

Architecture RDNA 2.0 GCN 2.0
Code name Navi 23 XT Vesuvius
Launch date 30 Jul 2021 29 April 2014
Launch price (MSRP) $379 $1,499
Place in performance rating 191 190
Type Desktop Desktop
Design AMD Radeon R9 200 Series
Price now $1,099.99
Value for money (0-100) 11.14

Technical info

Boost clock speed 2589 MHz 1018 MHz
Compute units 32
Core clock speed 1968 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 2x 2816
Pixel fill rate 165.7 GPixel/s
Texture fill rate 331.4 GTexel/s 2x 179.2 GTexel / s billion / sec
Thermal Design Power (TDP) 160 Watt 500 Watt
Transistor count 11060 million 6,200 million
Floating-point performance 2x 5,733 gflops
Stream Processors 5632

Video outputs and ports

Display Connectors 1x HDMI, 2x DisplayPort 1x DVI, 4x mini-DisplayPort
DisplayPort count 3
DisplayPort support
HDMI
Dual-link DVI support
Eyefinity
VGA

Compatibility, dimensions and requirements

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) 307 mm
Recommended system power (PSU) 450 Watt
Supplementary power connectors 1x 8-pin 2 x 8-pin
Width 110 mm (4.3 inches)
Bus support PCIe 2.1 x16

API support

DirectX 12.2 12
OpenCL 2.1
OpenGL 4.6 4.5
Shader Model 6.5
Vulkan

Memory

Maximum RAM amount 8 GB 8 GB
Memory bandwidth 256 GB/s 640 GB/s
Memory bus width 128 bit 2x 512 Bit
Memory clock speed 2000 MHz (16 Gbps effective) 1250 MHz
Memory type GDDR6 GDDR5

Technologies

AMD Eyefinity
CrossFire
DDMA audio
FreeSync
HD3D
LiquidVR
TressFX
Unified Video Decoder (UVD)