Nvidia GeForce GTX 590 3GB Review

Written by bit-tech Staff

March 24, 2011 | 12:58

Tags: #590 #comparison #consumption #dual-gpu #dx11 #faster #fastest #fps #geforce #gtx-590 #performance #power #sli #speed #temperature #thermals

Companies: #nvidia

Specifications

The GTX 590 3GB is equipped with two full size GF110 GPUs. As each has the maximum amount of 512 stream processors possible with the Fermi architecture, this means the GTX 590 3GB boasts a whopping count of 1,024 stream processors. With a core frequency of 607MHz, these stream processors run at 1,214MHz. Both these clock speeds are roughly 20 per cent less than those of the GTX 580 1.5GB.

The use of two full-specification GF110 GPUs also means the GTX 590 3GB boasts eight rasterisers, (2 x 4) and 32 tessellation units (2 x 16). It also sports 120 texture units (2 x 60) and 96 ROPs (2 x 48).

Meanwhile, the 3GB of GDDR5 memory is split between the two GPUs, so each GPU can still only address 1.5GB. The memory is clocked at 853MHz (3,414MHz effective), which is roughly 16 per cent lower than that of the GTX 580 1.5GB and 10 per cent lower than the GTX 570 1.3GB's RAM. The card has a combined memory bandwidth of 327.8GB/sec (2x 163.9GB/sec), running via dual 384-bit memory interfaces.

Certainly on paper it’s a tremendously capable graphics system, with the might of two full GF110 Fermi GPUs offering huge amounts of graphics potential. The fact that Nvidia has clocked the card down quite considerably in comparison to the GTX 580 1.5GB does mean that the GTX 590 3GB won’t be twice as fast as its top single-GPU offering, though.

 Nvidia GeForce GTX 590 3GBNvidia GeForce GTX 580 1.5GBNvidia GeForce GTX 570 1.3GBAMD Radeon HD 6990 4GBAMD Radeon HD 6970 2GB
GPU
Codename2 x GF110GF110GF110Cayman ProCayman XT
Frequency607MHz772MHz732MHz830MHz880MHz
Stream Processors2 x 512 (1,214MHz)512(1,544MHz)480 (1,464MHz)3,072 (830MHz)1,536 (880MHz)
Layout2 x 16 SMs, 4 GPCs16 SMs, 4 GPCs15 SMs, 4 GPCs48 SIMD Engines24 SIMD Engines
Rasterisers2 x 44442
Tessellation Units2 x 16161542
Texture Units2 x 60606019296
ROPs2 x 4848406432
Transistors2 x 3bn3bn3bn2 x 2.6bn3.6bn
Size2 x 520mm²520mm²520mm²2 x 389mm²389mm²
Process40nm40nm40nm40nm40nm
Memory
Amount2 x 1.5GB GDDR51.5GB GDDR51,280MB GDDR52 x 2GB GDDR52GB GDDR5
Frequency853MHz (3,414MHz effective)1.02GHz (4.08GHz effective)950MHz (3.8GHz effective)1.25GHz (5GHz effective)1.375GHz (5.5GHz effective)
Interface2 x 384-bit384-bit320-bit256-bit256-bit
Bandwidth2 x 163.9GB/sec192.4GB/sec152GB/sec2 x 160GB/sec176GB/sec
Card Specifications
Power Connectors2 x 8-pin PCI-E1 x 6-pin, 1 x 8-pin PCI-E2 x 6-pin PCI-E2 x 8-pin PCI-E1 x 6-pin, 1 x 8-pin
Maximum Power Draw365W244W219W375W250W
Idle Power DrawUnknownUnknownUnknown37WUnknown
Recommended PSU700W600W550WUnknownUnknown
Typical Street Price£570£400£275£540£290

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