NVIDIA RTX 4000 SFF Ada Generation vs AMD Radeon HD 7850
GPU · Specs Compare
Graphics Card
Release Date
Nov 2018
Mar 2012
Generation
Radeon Instinct
Southern Islands
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1200 MHz
—
Boost Clock
1746 MHz
—
Memory Clock
1000 MHz
1200 MHz
Memory
Memory Size
16GB
2GB
Memory Type
HBM2
GDDR5
Memory Bus
4096bit
256bit
Bandwidth
1.02TB/s
153.6GB/s
Render Config
SM Count
48
—
Compute Units
60
16
Shading Units
3840
1024
TMUs
240
64
ROPs
64
32
Tensor Cores
192
—
RT Cores
48
—
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
4 MB
512 KB
Theoretical Performance
Pixel Rate
111.7 GPixel/s
27.52 GPixel/s
Texture Rate
419.0 GTexel/s
55.04 GTexel/s
FP16 (half)
26.82 TFLOPS
—
FP32 (float)
13.41 TFLOPS
1.761 TFLOPS
FP64 (double)
6.705 TFLOPS
110.1 GFLOPS
Graphics Processor
GPU Name
Vega 20
Pitcairn
GPU Variant
Vega 20 GLXT
Pitcairn PRO(215-0828062)
Architecture
GCN 5.1
GCN 1.0
Foundry
TSMC
TSMC
Process Size
7 nm
28 nm
Transistors
13.23 billion
2.8 billion
Die Size
331 mm²
212 mm²
Board Design
TDP
300W
130W
Suggested PSU
700 W
300 W
Outputs
1x mini-DisplayPort 1.4a
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Power Connectors
2x 8-pin
1x 6-pin
Graphics Features
DirectX
12 (12_1)
12 (11_1)
OpenGL
4.6
4.6
OpenCL
2.1
1.2
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.7
5.1
Benchmark
3DMark Time Spy
—
1,334
3DMark Time Spy Extreme
—
325
▲ Specs Compare
Data sourced from official specifications and benchmark tests.