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 RX 9070 GRE
CORE STATE
Navi 48
VRAM
12 GB
CLOCK SPEED
2790 MHz
TDP
220 W
BUS WIDTH
192 bit
ARCHITECTURE
RDNA 4.0
PROCESS
4 nm
LAUNCH DATE
2025
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
RX 9070 GRE
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
—
1420 MHz
Boost Clock
—
2790 MHz
GPU Clock
925 MHz
—
Game Clock
—
2220 MHz
Memory Clock
1375 MHz
5.5 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
3 GB
12 GB
VRAM (MB)
3,072
12,288
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
192 bit
Bandwidth
264.0 GB/s
432.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
8 MB
L3 Cache
—
48 MB
L0 Cache
—
32 KB per WGP
Performance
Pixel Rate
29.60 GPixel/s
267.8 GPixel/s
Texture Rate
118.4 GTexel/s
535.7 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
34.28 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
1,071.4 GFLOPS (1:32)
FP16 (TFLOPS)
—
68.57 TFLOPS (2:1)
AI/RT
RT Cores
—
48
Matrix Cores
—
96
Power
TDP
250 W
220 W
TDP (W)
250
220
-12.0%
Suggested PSU
600 W
550 W
Power Connectors
1x 6-pin + 1x 8-pin
2x 8-pin
Architecture
Architecture
GCN 1.0
RDNA 4.0
GPU Name
Tahiti
Navi 48
Generation
Southern Islands
(HD 7900)
Navi IV
(RX 9000)
Process Size
28 nm
4 nm
Transistors
4,313 million
53,900 million
Die Size
352 mm²
357 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
151.0M / 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
—
Height
111 mm
4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
1x HDMI 2.1b3x DisplayPort 2.1a
Bus Interface
PCIe 3.0 x16
PCIe 5.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
Active
Predecessor
Northern Islands
Navi III
Successor
Sea Islands
—