Home GPU Comparison AMD Radeon HD 8740 OEM vs NVIDIA GeForce GTX 660 OEM

AMD Radeon HD 8740 OEM vs NVIDIA GeForce GTX 660 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 8740 OEM and 1536MB VRAM GeForce GTX 660 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8740 OEM 's Advantages
Released 1 years and 1 months late
Lower TDP (55W vs 130W)
NVIDIA GeForce GTX 660 OEM 's Advantages
Boost Clock888MHz
More VRAM (1536GB vs 1024GB)
Larger VRAM bandwidth (134.4GB/s vs 72.00GB/s)
640 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8740 OEM
0.819 TFLOPS
GeForce GTX 660 OEM +149%
2.046 TFLOPS
VS

Graphics Card

Sep 2013
Release Date
Aug 2012
Sea Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
Base Clock
823 MHz
-
Boost Clock
888 MHz
1125 MHz
Memory Clock
1400 MHz

Memory

1024MB
Memory Size
1536MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
192bit
72.00GB/s
Bandwidth
134.4GB/s

Render Config

8
Compute Units
-
-
-
-
512
Shading Units
1152
32
TMUs
96
16
ROPs
24
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per SMX)
256 KB
L2 Cache
384 KB
-
-
-

Theoretical Performance

12.80 GPixel/s
Pixel Rate
21.31 GPixel/s
25.60 GTexel/s
Texture Rate
85.25 GTexel/s
-
-
-
819.2 GFLOPS
FP32 (float)
2.046 TFLOPS
51.20 GFLOPS
FP64 (double)
85.25 GFLOPS

Board Design

55W
TDP
130W
250 W
Suggested PSU
300 W
1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
None
Power Connectors
1x 6-pin

Graphics Processor

Cape Verde
GPU Name
GK104
Cape Verde PRO
GPU Variant
GK104-200-KD-A2
GCN 1.0
Architecture
Kepler
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.5 billion
Transistors
3.54 billion
123 mm²
Die Size
294 mm²

Graphics Features

12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.1
-
CUDA
3.0
5.1
Shader Model
5.1

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