NVIDIA GeForce GTS 450 OEM vs AMD Radeon HD 6790
We compared two Desktop platform GPUs: 512MB VRAM GeForce GTS 450 OEM and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA GeForce GTS 450 OEM 's Advantages
Lower TDP (106W vs 150W)
AMD Radeon HD 6790 's Advantages
Released 7 months late
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (134.4GB/s vs 57.73GB/s)
656 additional rendering cores
Score
Benchmark
FP32 (float)
GeForce GTS 450 OEM
0.451 TFLOPS
Radeon HD 6790
+198%
1.344 TFLOPS
Graphics Card
Sep 2010
Release Date
Apr 2011
GeForce 400
Generation
Northern Islands
Desktop
Type
Desktop
PCIe 2.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
-
-
-
-
-
-
902 MHz
Memory Clock
1050 MHz
Memory
512MB
Memory Size
1024MB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
256bit
57.73GB/s
Bandwidth
134.4GB/s
Render Config
-
Compute Units
10
3
SM Count
-
144
Shading Units
800
24
TMUs
40
16
ROPs
16
-
-
-
-
-
-
64 KB (per SM)
L1 Cache
8 KB (per CU)
256 KB
L2 Cache
512 KB
-
-
-
Theoretical Performance
4.698 GPixel/s
Pixel Rate
13.44 GPixel/s
18.79 GTexel/s
Texture Rate
33.60 GTexel/s
-
-
-
451.0 GFLOPS
FP32 (float)
1344 GFLOPS
37.58 GFLOPS
FP64 (double)
-
Board Design
106W
TDP
150W
300 W
Suggested PSU
450 W
1x DVI
1x DisplayPort
1x VGA
Outputs
2x DVI
1x HDMI 1.3a
1x DisplayPort 1.1
1x 6-pin
Power Connectors
2x 6-pin
Graphics Processor
GF106
GPU Name
Barts
-
GPU Variant
Barts LE
(215-0798002)
Fermi
Architecture
TeraScale 2
TSMC
Foundry
TSMC
40 nm
Process Size
40 nm
1.17 billion
Transistors
1.7 billion
238 mm²
Die Size
255 mm²
Graphics Features
12 (11_0)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
1.1
OpenCL
1.2
N/A
Vulkan
N/A
2.1
CUDA
-
5.1
Shader Model
5.0
