AMD Radeon HD 7870 XT vs NVIDIA GB10
GPU · Specs Compare
Graphics Card
Release Date
Nov 2012
Oct 2025
Generation
Southern Islands
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
925 MHz
1665 MHz
Boost Clock
975 MHz
2418 MHz
Memory Clock
1500 MHz
1067 MHz
Memory
Memory Size
2GB
128GB
Memory Type
GDDR5
LPDDR5X
Memory Bus
256bit
256bit
Bandwidth
192.0GB/s
273.2GB/s
Render Config
Compute Units
24
—
Shading Units
1536
6144
TMUs
96
384
ROPs
32
48
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
512 KB
50 MB
SM Count
—
48
Tensor Cores
—
384
RT Cores
—
48
Theoretical Performance
Pixel Rate
31.20 GPixel/s
116.1 GPixel/s
Texture Rate
93.60 GTexel/s
928.5 GTexel/s
FP32 (float)
2.995 TFLOPS
29.71 TFLOPS
FP64 (double)
748.8 GFLOPS
464.3 GFLOPS
FP16 (half)
—
29.71 TFLOPS
Graphics Processor
GPU Name
Tahiti
GB20B
GPU Variant
Tahiti LE(215-0821122)
—
Architecture
GCN 1.0
Blackwell 2.0
Foundry
TSMC
TSMC
Process Size
28 nm
3 nm
Transistors
4.313 billion
Unknown
Die Size
352 mm²
Unknown
Board Design
TDP
185W
140W
Suggested PSU
450 W
300 W
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI
Power Connectors
2x 6-pin
None
Graphics Features
DirectX
12 (11_1)
N/A
OpenGL
4.6
N/A
OpenCL
1.2
3.0
Vulkan
1.2
N/A
Shader Model
5.1
N/A
CUDA
—
12.1
▲ Specs Compare
Data sourced from official specifications and benchmark tests.