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 A580
CORE STATE
DG2-512
VRAM
8 GB
CLOCK SPEED
2000 MHz
TDP
175 W
BUS WIDTH
256 bit
ARCHITECTURE
Xe-HPG
PROCESS
6 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
3dmark_3dmark_steel_nomad_dx12
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
A580
Core Specs
Shading Units
2,048
3,072
+50.0%
Shaders
2,048
3,072
+50.0%
TMUs
128
192
+50.0%
ROPs
32
96
+200.0%
Compute Units
32
—
Execution Units
—
384
Clocks
Base Clock
—
1700 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
8 GB
VRAM (MB)
3,072
8,192
+166.7%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
256 bit
Bandwidth
264.0 GB/s
512.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
8 MB
Performance
Pixel Rate
29.60 GPixel/s
192.0 GPixel/s
Texture Rate
118.4 GTexel/s
384.0 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
12.29 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
1.536 TFLOPS (1:8)
FP16 (TFLOPS)
—
24.58 TFLOPS (2:1)
AI/RT
RT Cores
—
24
XMX Cores
—
384
Power
TDP
250 W
175 W
TDP (W)
250
175
-30.0%
Suggested PSU
600 W
450 W
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Architecture
Architecture
GCN 1.0
Xe-HPG
GPU Name
Tahiti
DG2-512
Generation
Southern Islands
(HD 7900)
Alchemist
(Arc 5)
Process Size
28 nm
6 nm
Transistors
4,313 million
21,700 million
Die Size
352 mm²
406 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
53.4M / 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
Shader Model
6.5 (5.1)
6.6
Physical
Slot Width
Dual-slot
Dual-slot
Length
275 mm
10.8 inches
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.13x DisplayPort 2.0
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
Active
Predecessor
Northern Islands
Xe Graphics
Successor
Sea Islands
Battlemage