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
PG506-232
CORE STATE
GA100
VRAM
24 GB
CLOCK SPEED
1440 MHz
TDP
165 W
BUS WIDTH
3072 bit
ARCHITECTURE
Ampere
PROCESS
7 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
PG506-232
Core Specs
Shading Units
2,048
3,584
+75.0%
Shaders
2,048
3,584
+75.0%
TMUs
128
224
+75.0%
ROPs
32
96
+200.0%
Compute Units
32
—
SM Count
—
56
Clocks
Base Clock
—
930 MHz
Boost Clock
—
1440 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1215 MHz
2.4 Gbps effective
Memory
Memory Size
3 GB
24 GB
VRAM (MB)
3,072
24,576
+700.0%
Memory Type
GDDR5
HBM2
Memory Bus
384 bit
3072 bit
Bandwidth
264.0 GB/s
933.1 GB/s
Cache
L1 Cache
16 KB (per CU)
192 KB (per SM)
L2 Cache
768 KB
24 MB
Performance
Pixel Rate
29.60 GPixel/s
138.2 GPixel/s
Texture Rate
118.4 GTexel/s
322.6 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
10.32 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
5.161 TFLOPS (1:2)
FP16 (TFLOPS)
—
10.32 TFLOPS (1:1)
AI/RT
Tensor Cores
—
224
Power
TDP
250 W
165 W
TDP (W)
250
165
-34.0%
Suggested PSU
600 W
450 W
Power Connectors
1x 6-pin + 1x 8-pin
8-pin EPS
Architecture
Architecture
GCN 1.0
Ampere
GPU Name
Tahiti
GA100
Generation
Southern Islands
(HD 7900)
Server Ampere
(Axx)
Process Size
28 nm
7 nm
Transistors
4,313 million
54,200 million
Die Size
352 mm²
826 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
65.6M / mm²
API Support
DirectX
12 (11_1)
—
OpenGL
4.6
—
Vulkan
1.2.170
—
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.0
Shader Model
6.5 (5.1)
—
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 4.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Tesla Turing
Successor
Sea Islands
Server Ada