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
L20
CORE STATE
AD102
VRAM
48 GB
CLOCK SPEED
2520 MHz
TDP
275 W
BUS WIDTH
384 bit
ARCHITECTURE
Ada Lovelace
PROCESS
5 nm
LAUNCH DATE
2023
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
L20
Core Specs
Shading Units
2,048
11,776
+475.0%
Shaders
2,048
11,776
+475.0%
TMUs
128
368
+187.5%
ROPs
32
128
+300.0%
Compute Units
32
—
SM Count
—
92
Clocks
Base Clock
—
1440 MHz
Boost Clock
—
2520 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
2250 MHz
18 Gbps effective
Memory
Memory Size
3 GB
48 GB
VRAM (MB)
3,072
49,152
+1500.0%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
384 bit
Bandwidth
264.0 GB/s
864.0 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
768 KB
96 MB
Performance
Pixel Rate
29.60 GPixel/s
322.6 GPixel/s
Texture Rate
118.4 GTexel/s
927.4 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
59.35 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
927.4 GFLOPS (1:64)
FP16 (TFLOPS)
—
59.35 TFLOPS (1:1)
AI/RT
RT Cores
—
92
Tensor Cores
—
368
Power
TDP
250 W
275 W
TDP (W)
250
275
+10.0%
Suggested PSU
600 W
600 W
Power Connectors
1x 6-pin + 1x 8-pin
1x 16-pin
Architecture
Architecture
GCN 1.0
Ada Lovelace
GPU Name
Tahiti
AD102
Generation
Southern Islands
(HD 7900)
Server Ada
(Lxx)
Process Size
28 nm
5 nm
Transistors
4,313 million
76,300 million
Die Size
352 mm²
609 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
125.3M / 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
—
8.9
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
275 mm
10.8 inches
267 mm
10.5 inches
Height
111 mm
4.4 inches
111 mm
4.4 inches
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
4x DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
Active
Predecessor
Northern Islands
Server Ampere
Successor
Sea Islands
Server Hopper