AMD Radeon HD 6850 1440SP Edition vs NVIDIA RTX PRO 4500 Blackwell Server
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Mar 2026
Generation
Northern Islands
Server Blackwell
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1000 MHz
1563 MHz
Base Clock
-
1215 MHz
Boost Clock
-
2415 MHz
Memory
Memory Size
1024MB
32GB
Memory Type
GDDR5
GDDR7
Memory Bus
256bit
256bit
Bandwidth
128.0GB/s
800.3GB/s
Render Config
Compute Units
18
-
Shading Units
1440
10496
TMUs
72
328
ROPs
32
112
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
512 KB
64 MB
SM Count
-
82
Tensor Cores
-
328
RT Cores
-
82
Theoretical Performance
Pixel Rate
23.20 GPixel/s
270.5 GPixel/s
Texture Rate
52.20 GTexel/s
792.1 GTexel/s
FP32 (float)
2.088 TFLOPS
50.70 TFLOPS
FP64 (double)
417.6 GFLOPS
792.1 GFLOPS
FP16 (half)
-
50.70 TFLOPS
Graphics Processor
GPU Name
Cypress
GB203
GPU Variant
Cypress PRO(215-0735043)
-
Architecture
TeraScale 2
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
40 nm
5 nm
Transistors
2.154 billion
45.6 billion
Die Size
334 mm²
378 mm²
Board Design
TDP
151W
165W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.3a1x DisplayPort 1.1
No outputs
Power Connectors
2x 6-pin
1x 16-pin
Graphics Features
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
OpenCL
1.2
3.0
Vulkan
N/A
1.4
Shader Model
5.0
6.9
CUDA
-
12.0