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
CMP 70HX
CORE STATE
GA104
VRAM
8 GB
CLOCK SPEED
1395 MHz
TDP
—
BUS WIDTH
256 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
CMP 70HX
Core Specs
Shading Units
2,048
3,840
+87.5%
Shaders
2,048
3,840
+87.5%
TMUs
128
120
-6.3%
ROPs
32
64
+100.0%
Compute Units
32
—
SM Count
—
30
Clocks
Base Clock
—
1365 MHz
Boost Clock
—
1395 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1188 MHz
19 Gbps effective
Memory
Memory Size
3 GB
8 GB
VRAM (MB)
3,072
8,192
+166.7%
Memory Type
GDDR5
GDDR6X
Memory Bus
384 bit
256 bit
Bandwidth
264.0 GB/s
608.3 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
4 MB
Performance
Pixel Rate
29.60 GPixel/s
89.28 GPixel/s
Texture Rate
118.4 GTexel/s
167.4 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
10.71 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
167.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
10.71 TFLOPS (1:1)
AI/RT
RT Cores
—
30
Tensor Cores
—
120
Power
TDP
250 W
—
TDP (W)
250
—
Suggested PSU
600 W
200 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 12-pin
Architecture
Architecture
GCN 1.0
Ampere
GPU Name
Tahiti
GA104
Generation
Southern Islands
(HD 7900)
Mining GPUs
Process Size
28 nm
8 nm
Transistors
4,313 million
17,400 million
Die Size
352 mm²
392 mm²
Foundry
TSMC
Samsung
Density
12.3M / mm²
44.4M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.6
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
275 mm
10.8 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
112 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 1.0 x4
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—