Home GPU Comparison AMD Radeon Sky 900 vs NVIDIA GeForce RTX 4070

AMD Radeon Sky 900 vs NVIDIA GeForce RTX 4070

We compared two Desktop platform GPUs: 3GB VRAM Radeon Sky 900 and 12GB VRAM GeForce RTX 4070 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 4070 's Advantages
Released 10 years and 1 months late
Boost Clock has increased by 161% (2475MHz vs 950MHz)
More VRAM (12GB vs 3GB)
Larger VRAM bandwidth (504.2GB/s vs 240.0GB/s)
4096 additional rendering cores
Lower TDP (200W vs 300W)

Score

Benchmark

FP32 (float)
Radeon Sky 900
3.405 TFLOPS
GeForce RTX 4070 +756%
29.15 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Apr 2023
Radeon Sky
Generation
GeForce 40
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16

Clock Speeds

825 MHz
Base Clock
1920 MHz
950 MHz
Boost Clock
2475 MHz
1250 MHz
Memory Clock
1313 MHz

Memory

3GB
Memory Size
12GB
GDDR5
Memory Type
GDDR6X
384bit
Memory Bus
192bit
240.0GB/s
Bandwidth
504.2GB/s

Render Config

28
Compute Units
-
-
SM Count
46
1792
Shading Units
5888
112
TMUs
184
32
ROPs
64
-
Tensor Cores
184
-
RT Cores
46
16 KB (per CU)
L1 Cache
128 KB (per SM)
768 KB
L2 Cache
36 MB
-
-
-

Theoretical Performance

30.40 GPixel/s
Pixel Rate
158.4 GPixel/s
106.4 GTexel/s
Texture Rate
455.4 GTexel/s
-
FP16 (half)
29.15 TFLOPS
3.405 TFLOPS
FP32 (float)
29.15 TFLOPS
851.2 GFLOPS
FP64 (double)
455.4 GFLOPS

Board Design

300W
TDP
200W
700 W
Suggested PSU
550 W
1x DVI 1x mini-DisplayPort 1.2
Outputs
1x HDMI 2.1 3x DisplayPort 1.4a
2x 8-pin
Power Connectors
1x 16-pin

Graphics Processor

Tahiti
GPU Name
AD104
Orthrus
GPU Variant
AD104-250-A1
GCN 1.0
Architecture
Ada Lovelace
TSMC
Foundry
TSMC
28 nm
Process Size
5 nm
4.313 billion
Transistors
35.8 billion
352 mm²
Die Size
295 mm²

Graphics Features

12 (11_1)
DirectX
12 Ultimate (12_2)
4.6
OpenGL
4.6
1.2
OpenCL
3.0
1.2
Vulkan
1.3
-
CUDA
8.9
5.1
Shader Model
6.7

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