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
RTX A2000
CORE STATE
GA106
VRAM
6 GB
CLOCK SPEED
1200 MHz
TDP
70 W
BUS WIDTH
192 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2021
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
RTX A2000
Core Specs
Shading Units
2,048
3,328
+62.5%
Shaders
2,048
3,328
+62.5%
TMUs
128
104
-18.8%
ROPs
32
48
+50.0%
Compute Units
32
—
SM Count
—
26
Clocks
Base Clock
—
562 MHz
Boost Clock
—
1200 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
3 GB
6 GB
VRAM (MB)
3,072
6,144
+100.0%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
192 bit
Bandwidth
264.0 GB/s
288.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
3 MB
Performance
Pixel Rate
29.60 GPixel/s
57.60 GPixel/s
Texture Rate
118.4 GTexel/s
124.8 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
7.987 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
124.8 GFLOPS (1:64)
FP16 (TFLOPS)
—
7.987 TFLOPS (1:1)
AI/RT
RT Cores
—
26
Tensor Cores
—
104
Power
TDP
250 W
70 W
TDP (W)
250
70
-72.0%
Suggested PSU
600 W
250 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Ampere
GPU Name
Tahiti
GA106
Generation
Southern Islands
(HD 7900)
Workstation Ampere
(Ax000)
Process Size
28 nm
8 nm
Transistors
4,313 million
12,000 million
Die Size
352 mm²
276 mm²
Foundry
TSMC
Samsung
Density
12.3M / mm²
43.5M / 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
167 mm
6.6 inches
Height
111 mm
4.4 inches
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
549 USD
449 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Turing
Successor
Sea Islands
Workstation Ada