AMD Radeon HD 6870 1600SP Edition vs NVIDIA RTX PRO 4500 Blackwell Server
GPU · Specs Compare
Graphics Card
Release Date
Jan 2013
Mar 2026
Generation
Northern Islands
Server Blackwell
Type
Desktop
Professional
Bus Interface
PCIe 2.0 x16
PCIe 5.0 x16
Clock Speeds
Memory Clock
1050 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
134.4GB/s
800.3GB/s
Render Config
Compute Units
20
—
Shading Units
1600
10496
TMUs
80
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
27.20 GPixel/s
270.5 GPixel/s
Texture Rate
68.00 GTexel/s
792.1 GTexel/s
FP32 (float)
2.720 TFLOPS
50.70 TFLOPS
FP64 (double)
544.0 GFLOPS
792.1 GFLOPS
FP16 (half)
—
50.70 TFLOPS
Graphics Processor
GPU Name
Cypress
GB203
GPU Variant
Cypress XT(215-0735033)
—
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
175W
165W
Suggested PSU
450 W
450 W
Outputs
2x DVI1x HDMI 1.3a2x mini-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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.