NVIDIA GeForce GTX 660 OEM vs ATI Radeon HD 5970
GPU Specs Compare
Graphics Card
Release Date
Aug 2012
Nov 2009
Generation
GeForce 600
Evergreen
Type
Desktop
Desktop
Bus Interface
PCIe 3.0 x16
PCIe 2.0 x16
Clock Speeds
Base Clock
823 MHz
-
Boost Clock
888 MHz
-
Memory Clock
1400 MHz
1000 MHz
Memory
Memory Size
1536MB
1024MB
Memory Type
GDDR5
GDDR5
Memory Bus
192bit
256bit
Bandwidth
134.4GB/s
128.0GB/s
Render Config
Shading Units
1152
1600
TMUs
96
80
ROPs
24
32
L1 Cache
16 KB (per SMX)
8 KB (per CU)
L2 Cache
384 KB
512 KB
Compute Units
-
20
Theoretical Performance
Pixel Rate
21.31 GPixel/s
23.20 GPixel/s
Texture Rate
85.25 GTexel/s
58.00 GTexel/s
FP32 (float)
2.046 TFLOPS
2.320 TFLOPS
FP64 (double)
85.25 GFLOPS
464.0 GFLOPS
Graphics Processor
GPU Name
GK104
Hemlock
GPU Variant
GK104-200-KD-A2
Hemlock XT(215-0735075)
Architecture
Kepler
TeraScale 2
Foundry
TSMC
TSMC
Process Size
28 nm
40 nm
Transistors
3.54 billion
2.154 billion
Die Size
294 mm²
334 mm²
Board Design
TDP
130W
294W
Suggested PSU
300 W
600 W
Outputs
2x DVI1x HDMI 1.4a1x DisplayPort 1.2
2x DVI1x mini-DisplayPort 1.1
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
12 (11_0)
11.2 (11_0)
OpenGL
4.6
4.4
OpenCL
3.0
1.2
Vulkan
1.1
N/A
CUDA
3.0
-
Shader Model
5.1
5.0
📊 Benchmark
3DMark Time Spy
1,194
-
3DMark Time Spy Extreme
260
-