GPU Comparison
RADEON
AMD Radeon HD 7970
CORE STATE
Tahiti
VRAM
3 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2012
VS
GEFORCE
GB10
CORE STATE
GB20B
VRAM
128 GB
CLOCK SPEED
2418 MHz
TDP
140 W
BUS WIDTH
256 bit
ARCHITECTURE
Blackwell 2.0
PROCESS
5 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
GB10
Core Specs
Shading Units
2,048
6,144
+200.0%
Shaders
2,048
6,144
+200.0%
TMUs
128
384
+200.0%
ROPs
32
48
+50.0%
Compute Units
32
—
SM Count
—
48
Clocks
Base Clock
—
1665 MHz
Boost Clock
—
2418 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1067 MHz
8.5 Gbps effective
Memory
Memory Size
3 GB
128 GB
VRAM (MB)
3,072
131,072
+4166.7%
Memory Type
GDDR5
LPDDR5X
Memory Bus
384 bit
256 bit
Bandwidth
264.0 GB/s
273.2 GB/s
Cache
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
768 KB
50 MB
Performance
Pixel Rate
29.60 GPixel/s
116.1 GPixel/s
Texture Rate
118.4 GTexel/s
928.5 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
29.71 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
464.3 GFLOPS (1:64)
FP16 (TFLOPS)
—
29.71 TFLOPS (1:1)
AI/RT
RT Cores
—
48
Tensor Cores
—
384
Power
TDP
250 W
140 W
TDP (W)
250
140
-44.0%
Suggested PSU
600 W
300 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Blackwell 2.0
GPU Name
Tahiti
GB20B
Generation
Southern Islands
(HD 7900)
Server Blackwell
(Bxx)
Process Size
28 nm
5 nm
Transistors
4,313 million
—
Die Size
352 mm²
—
Foundry
TSMC
TSMC
Density
12.3M / mm²
—
API Support
DirectX
12 (11_1)
—
OpenGL
4.6
—
Vulkan
1.2.170
—
OpenCL
2.1 (1.2)
3.0
CUDA
—
12.1
Shader Model
6.5 (5.1)
—
Physical
Slot Width
Dual-slot
IGP
Length
275 mm
10.8 inches
150 mm
5.9 inches
Height
111 mm
4.4 inches
51 mm
2 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Other
Launch Price
549 USD
3,999 USD
Production
End-of-life
Active
Predecessor
Northern Islands
Server Hopper
Successor
Sea Islands
Server Rubin