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
RADEON
Radeon PRO W7700
CORE STATE
Navi 32
VRAM
16 GB
CLOCK SPEED
2600 MHz
TDP
190 W
BUS WIDTH
256 bit
ARCHITECTURE
RDNA 3.0
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
PRO W7700
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
48
+50.0%
Clocks
Base Clock
—
1900 MHz
Boost Clock
—
2600 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
3 GB
16 GB
VRAM (MB)
3,072
16,384
+433.3%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
256 bit
Bandwidth
264.0 GB/s
576.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB per Array
L2 Cache
768 KB
2 MB
L3 Cache
—
64 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
29.60 GPixel/s
249.6 GPixel/s
Texture Rate
118.4 GTexel/s
499.2 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
31.95 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
998.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
63.90 TFLOPS (2:1)
AI/RT
RT Cores
—
48
Matrix Cores
—
96
Power
TDP
250 W
190 W
TDP (W)
250
190
-24.0%
Suggested PSU
600 W
450 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 8-pin
Architecture
Architecture
GCN 1.0
RDNA 3.0
GPU Name
Tahiti
Navi 32
Codename
—
Wheat Nas
Generation
Southern Islands
(HD 7900)
Radeon Pro Navi
(Navi III Series)
Process Size
28 nm
5 nm
Transistors
4,313 million
28,100 million
Die Size
352 mm²
346 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
81.2M / 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)
2.2
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
275 mm
10.8 inches
241 mm
9.5 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x DisplayPort 2.1
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
549 USD
999 USD
Production
End-of-life
—
Predecessor
Northern Islands
Radeon Pro Vega
Successor
Sea Islands
—