AMD Radeon Pro W6900X vs AMD Radeon HD 7850M

Comparative analysis of AMD Radeon Pro W6900X and AMD Radeon HD 7850M 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: Geekbench - OpenCL, GFXBench 4.0 - Manhattan (Frames), GFXBench 4.0 - Manhattan (Fps), PassMark - G3D Mark, PassMark - G2D Mark.

 

Differences

Reasons to consider the AMD Radeon Pro W6900X

  • Videocard is newer: launch date 9 year(s) 3 month(s) later
  • 2.7x more core clock speed: 1825 MHz vs 675 MHz
  • 25481.5x more texture fill rate: 688.0 GTexel/s vs 27 GTexel / s
  • 8x more pipelines: 5120 vs 640
  • A newer manufacturing process allows for a more powerful, yet cooler running videocard: 7 nm vs 28 nm
  • 16x more maximum memory size: 32 GB vs 2 GB
Launch date 3 Aug 2021 vs 24 April 2012
Core clock speed 1825 MHz vs 675 MHz
Texture fill rate 688.0 GTexel/s vs 27 GTexel / s
Pipelines 5120 vs 640
Manufacturing process technology 7 nm vs 28 nm
Maximum memory size 32 GB vs 2 GB

Reasons to consider the AMD Radeon HD 7850M

  • 7.5x lower typical power consumption: 40 Watt vs 300 W
  • 2x more memory clock speed: 4000 MHz vs 2000 MHz 16 Gbps effective
Thermal Design Power (TDP) 40 Watt vs 300 W
Memory clock speed 4000 MHz vs 2000 MHz 16 Gbps effective

Compare benchmarks

GPU 1: AMD Radeon Pro W6900X
GPU 2: AMD Radeon HD 7850M

Name AMD Radeon Pro W6900X AMD Radeon HD 7850M
Geekbench - OpenCL 151605
GFXBench 4.0 - Manhattan (Frames) 3739
GFXBench 4.0 - Manhattan (Fps) 3739
PassMark - G3D Mark 1373
PassMark - G2D Mark 566

Compare specifications (specs)

AMD Radeon Pro W6900X AMD Radeon HD 7850M

Essentials

Architecture RDNA 2.0 GCN 1.0
Code name Navi 21 Heathrow
Launch date 3 Aug 2021 24 April 2012
Place in performance rating 230 231
Type Desktop Laptop

Technical info

Boost clock speed 2150 MHz
Compute units 80
Core clock speed 1825 MHz 675 MHz
Manufacturing process technology 7 nm 28 nm
Peak Double Precision (FP64) Performance 1,376 GFLOPS (1:16)
Peak Half Precision (FP16) Performance 44.03 TFLOPS (2:1)
Peak Single Precision (FP32) Performance 22.02 TFLOPS
Pipelines 5120 640
Pixel fill rate 275.2 GPixel/s
Texture fill rate 688.0 GTexel/s 27 GTexel / s
Thermal Design Power (TDP) 300 W 40 Watt
Transistor count 26800 million 1,500 million
Floating-point performance 864.0 gflops

Video outputs and ports

Display Connectors 1x HDMI 2.14x Thunderbolt No outputs

Compatibility, dimensions and requirements

Form factor Quad-slot
Interface PCIe 4.0 x16 PCIe 3.0 x16
Length 267 mm 10.5 inches
Recommended system power (PSU) 700 W
Supplementary power connectors None
Width 120 mm 4.7 inches
Laptop size large

API support

DirectX 12 Ultimate (12_2) 12.0 (11_1)
OpenCL 2.1
OpenGL 4.6 4.5
Shader Model 6.7
Vulkan

Memory

Maximum RAM amount 32 GB 2 GB
Memory bandwidth 512.0 GB/s 64 GB / s
Memory bus width 256 bit 128 Bit
Memory clock speed 2000 MHz 16 Gbps effective 4000 MHz
Memory type GDDR6 GDDR5
Shared memory 0