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GPU Comparison
AMD Radeon HD 8990 OEM vs NVIDIA GeForce GT 620 OEM
AMD Radeon HD 8990 OEM vs NVIDIA GeForce GT 620 OEM
VS
AMD Radeon HD 8990 OEM
NVIDIA GeForce GT 620 OEM
We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 8990 OEM and 512MB VRAM GeForce GT 620 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon HD 8990 OEM 's Advantages
Released 1 years late
Boost Clock1000MHz
Larger VRAM bandwidth (288.0GB/s vs 14.37GB/s)
2000 additional rendering cores
NVIDIA GeForce GT 620 OEM 's Advantages
Lower TDP (30W vs 375W)
Score
Benchmark
FP32 (float)
Radeon HD 8990 OEM
+2525%
4.096 TFLOPS
GeForce GT 620 OEM
0.156 TFLOPS
Radeon HD 8990 OEM
VS
GeForce GT 620 OEM
Graphics Card
Apr 2013
Release Date
Apr 2012
Sea Islands
Generation
GeForce 600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 2.0 x16
Clock Speeds
950 MHz
Base Clock
-
1000 MHz
Boost Clock
-
1500 MHz
Memory Clock
898 MHz
Memory
3GB
Memory Size
512MB
GDDR5
Memory Type
DDR3
384bit
Memory Bus
64bit
288.0GB/s
Bandwidth
14.37GB/s
Render Config
-
SM Count
1
32
Compute Units
-
2048
Shading Units
48
128
TMUs
8
32
ROPs
4
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
64 KB (per SM)
768 KB
L2 Cache
128 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
1.620 GPixel/s
128.0 GTexel/s
Texture Rate
6.480 GTexel/s
-
FP16 (half)
-
4.096 TFLOPS
FP32 (float)
155.5 GFLOPS
1024 GFLOPS
FP64 (double)
12.96 GFLOPS
Graphics Processor
Malta
GPU Name
GF119
Malta XT (215-0849026)
GPU Variant
-
GCN 1.0
Architecture
Fermi 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
4.313 billion
Transistors
0.292 billion
365 mm²
Die Size
79 mm²
Board Design
375W
TDP
30W
750 W
Suggested PSU
200 W
1x DVI 4x mini-DisplayPort 1.2
Outputs
1x DVI 1x HDMI 1.3a 1x VGA
2x 8-pin
Power Connectors
None
Graphics Features
12 (11_1)
DirectX
12 (11_0)
4.6
OpenGL
4.6
1.2
OpenCL
1.1
1.2
Vulkan
N/A
-
CUDA
2.1
5.1
Shader Model
5.1
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