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
GPU
Arc Pro A30M
CORE STATE
DG2-128
VRAM
4 GB
CLOCK SPEED
2000 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2022
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
Pro A30M
Core Specs
Shading Units
2,048
1,024
-50.0%
Shaders
2,048
1,024
-50.0%
TMUs
128
64
-50.0%
ROPs
32
32
0.0%
Compute Units
32
—
Execution Units
—
128
Clocks
Base Clock
—
1500 MHz
Boost Clock
—
2000 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
2000 MHz
16 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096
+33.3%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
64 bit
Bandwidth
264.0 GB/s
128.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
4 MB
Performance
Pixel Rate
29.60 GPixel/s
64.00 GPixel/s
Texture Rate
118.4 GTexel/s
128.0 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
4.096 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
1,024.0 GFLOPS (1:4)
FP16 (TFLOPS)
—
8.192 TFLOPS (2:1)
AI/RT
RT Cores
—
8
XMX Cores
—
128
Power
TDP
250 W
50 W
TDP (W)
250
50
-80.0%
Suggested PSU
600 W
—
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Xe-HPG
GPU Name
Tahiti
DG2-128
Generation
Southern Islands
(HD 7900)
Alchemist
(Pro-Series Mobile)
Process Size
28 nm
6 nm
Transistors
4,313 million
7,200 million
Die Size
352 mm²
157 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
45.9M / 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
Shader Model
6.5 (5.1)
6.6
Physical
Slot Width
Dual-slot
—
Length
275 mm
10.8 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—