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
T550 Mobile
CORE STATE
TU117
VRAM
4 GB
CLOCK SPEED
1665 MHz
TDP
23 W
BUS WIDTH
64 bit
ARCHITECTURE
Turing
PROCESS
12 nm
LAUNCH DATE
—
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 7970
T550 Mobile
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
—
SM Count
—
16
Clocks
Base Clock
—
1065 MHz
Boost Clock
—
1665 MHz
GPU Clock
925 MHz
—
Memory Clock
1375 MHz
5.5 Gbps effective
1500 MHz
12 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
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SM)
L2 Cache
768 KB
1024 KB
Performance
Pixel Rate
29.60 GPixel/s
53.28 GPixel/s
Texture Rate
118.4 GTexel/s
106.6 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
3.410 TFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
106.6 GFLOPS (1:32)
FP16 (TFLOPS)
—
6.820 TFLOPS (2:1)
Power
TDP
250 W
23 W
TDP (W)
250
23
-90.8%
Suggested PSU
600 W
—
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Turing
GPU Name
Tahiti
TU117
Generation
Southern Islands
(HD 7900)
Quadro Turing-M
(Tx000)
Process Size
28 nm
12 nm
Transistors
4,313 million
4,700 million
Die Size
352 mm²
200 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
23.5M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
7.5
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
IGP
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 3.0 x16
Other
Launch Price
549 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
Quadro Pascal-M
Successor
Sea Islands
Ampere-MW