GPU Comparison

AMD
RADEON

AMD Radeon HD 7970

CORE STATE Tahiti
VRAM 3 GB
CLOCK SPEED
TDP 250 W
BUS WIDTH 384 bit
ARCHITECTURE GCN 1.0
nm
PROCESS 28 nm
LAUNCH DATE 2012
VS
NVIDIA
GEFORCE

GeForce 825M

CORE STATE GK208
VRAM 1024 MB
CLOCK SPEED 941 MHz
TDP 33 W
BUS WIDTH 64 bit
ARCHITECTURE Kepler 2.0
nm
PROCESS 28 nm
LAUNCH DATE 2014

PERFORMANCE BENCHMARKS

geekbench_opencl
34,541
3,694

DETAILED SPECIFICATIONS

SPECIFICATION
HD 7970
825M
Core Specs
Shading Units
2,048
384 -81.3%
Shaders
2,048
384 -81.3%
TMUs
128
32 -75.0%
ROPs
32
8 -75.0%
Compute Units
32
Clocks
Base Clock
850 MHz
Boost Clock
941 MHz
GPU Clock
925 MHz
Memory Clock
1375 MHz 5.5 Gbps effective
900 MHz 1800 Mbps effective
Memory
Memory Size
3 GB
1024 MB
VRAM (MB)
3,072
1,024 -66.7%
Memory Type
GDDR5
DDR3
Memory Bus
384 bit
64 bit
Bandwidth
264.0 GB/s
14.40 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
768 KB
512 KB
Performance
Pixel Rate
29.60 GPixel/s
7.528 GPixel/s
Texture Rate
118.4 GTexel/s
30.11 GTexel/s
FP32 (TFLOPS)
3.789 TFLOPS
722.7 GFLOPS
FP64 (TFLOPS)
947.2 GFLOPS (1:4)
30.11 GFLOPS (1:24)
Power
TDP
250 W
33 W
TDP (W)
250
33 -86.8%
Suggested PSU
600 W
Power Connectors
1x 6-pin + 1x 8-pin
None
Architecture
Architecture
GCN 1.0
Kepler 2.0
GPU Name
Tahiti
GK208
Generation
Southern Islands (HD 7900)
GeForce 800M
Process Size
28 nm
28 nm
Transistors
4,313 million
1,020 million
Die Size
352 mm²
87 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
11.7M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
3.5
Shader Model
6.5 (5.1)
6.5 (5.1)
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 x8
Other
Launch Price
549 USD
Production
End-of-life
End-of-life
Predecessor
Northern Islands
GeForce 700M
Successor
Sea Islands
GeForce 900M
View Radeon HD 7970 Details View GeForce 825M Details