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
T400
CORE STATE
TU117
VRAM
2 GB
CLOCK SPEED
1425 MHz
TDP
30 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
T400
Core Specs
Shading Units
2,048
384
-81.3%
Shaders
2,048
384
-81.3%
TMUs
128
24
-81.3%
ROPs
32
16
-50.0%
Compute Units
32
—
SM Count
—
6
Clocks
Base Clock
—
420 MHz
Boost Clock
—
1425 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1250 MHz
10 Gbps effective
Memory
Memory Size
3 GB
2 GB
VRAM (MB)
3,072
2,048
-33.3%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
64 bit
Bandwidth
264.0 GB/s
80.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
1024 KB
Performance
Pixel Rate
29.60 GPixel/s
22.80 GPixel/s
Texture Rate
118.4 GTexel/s
34.20 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
1,094.4 GFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
34.20 GFLOPS (1:32)
FP16 (TFLOPS)
—
2.189 TFLOPS (2:1)
Power
TDP
250 W
30 W
TDP (W)
250
30
-88.0%
Suggested PSU
600 W
200 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Turing
GPU Name
Tahiti
TU117
Generation
Southern Islands
(HD 7900)
Quadro Turing
(Tx000)
Process Size
28 nm
12 nm
Transistors
4,313 million
4,700 million
Die Size
352 mm²
200 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
23.5M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
275 mm
10.8 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
3x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Volta
Successor
Sea Islands
Workstation Ampere